Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. To do so may increase the chance of serious side effects. Plaquenil night vision Plaquenil use during pregnancy Antimalarial drugs chloroquine DOSAGE AND ADMINISTRATION. The dosage of chloroquine phosphate is often expressed in terms of equivalent chloroquine base. Each 500 mg tablet of ARALEN contains the equivalent of 300 mg chloroquine base. In infants and children the dosage is preferably calculated by body weight. Large chloroquine overdoses are almost inevitably fatal. We describe the presentation and management of a patient with such an overdose who survived, due to general supportive care and new specific treatment. Overdose. Chloroquine is very dangerous in overdose. It is rapidly absorbed from the gut. In 1961, published studies showed three children who took overdoses died within 2.5 hours of taking the drug. While the amount of the overdose was not cited, the therapeutic index for chloroquine is known to be small. If you already have malaria, you should still keep taking this medicine for the full time of treatment even if you begin to feel better after a few days. If you stop taking this medicine too soon, your symptoms may return. If you are taking this medicine to help keep you from getting malaria, keep taking it for the full time of treatment. Chloroquine phosphate overdose Chloroquine - FDA prescribing information, side effects., Massive chloroquine overdose--a survivor. Could hydroxychloroquine become toxicHydroxychloroquine reviews eyesPlaquenil and prednisone side effectsPlaquenil causing hearing lossChloroquine suicide survivor Both adults and children should take one dose of chloroquine per week starting at least 1 week before. traveling to the area where malaria transmission occurs. They should take one dose per week while there, and for 4 consecutive weeks after leaving. The weekly dosage for adults is 300mg base 500mg salt. Medicines for the Prevention of Malaria While Traveling.. Chloroquine - Wikipedia. Chloroquine phosphate REEF2REEF Saltwater and Reef Aquarium.. Chloroquine Phosphate is indicated in the treatment of malaria, prophylaxis and suppression of malaria, amoebic hepatitis and abscess, discoid and systemic and systemic lupus erythematosus, rheumatoid arthritis Chloroquine phosphate comes as a tablet to take by mouth. For prevention of malaria in adults, one dose is usually taken once a week on exactly the same day of the week. Your doctor will tell you how many tablets to take for each dose. Chloroquine Phosphate What It Treats – Marine Ich Cryptocaryon irritans, Marine Velvet Disease Amyloodinium ocellatum, Brooklynella hostilis and Uronema marinum. How To Buy – Chloroquine phosphate CP is an antimalarial drug for humans which also treats external parasites that afflict marine fish and possibly freshwater fish as well.